nandsim: Fix return code testing of ns_find_operation()

ns_find_operation() returns 0 on success.

Fixes: 052a7a5 ("mtd: rawnand: nandsim: Clean error handling")
Signed-off-by: Richard Weinberger <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]

Author: richardweinberger

drivers/mtd/nand/raw/nandsim.c

@@ -1761,7 +1761,7 @@ static void ns_switch_state(struct nandsim *ns)
 
 		NS_DBG("switch_state: operation is unknown, try to find it\n");
 
-		if (!ns_find_operation(ns, 0))
+		if (ns_find_operation(ns, 0))
 			return;
 
 		if ((ns->state & ACTION_MASK) &&